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carbon-components-angular

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import { ChangeDetectionStrategy, Component, ContentChildren, EventEmitter, HostBinding, Input, Output, ViewChild } from "@angular/core"; import { autoUpdate, computePosition, flip } from "@floating-ui/dom"; import { ContextMenuItemComponent } from "carbon-components-angular/context-menu"; import * as i0 from "@angular/core"; import * as i1 from "carbon-components-angular/button"; import * as i2 from "carbon-components-angular/icon"; import * as i3 from "carbon-components-angular/context-menu"; export class ComboButtonComponent { constructor(ngZone, renderer, hostElement, viewContainerRef, changeDetectorRef) { this.ngZone = ngZone; this.renderer = renderer; this.hostElement = hostElement; this.viewContainerRef = viewContainerRef; this.changeDetectorRef = changeDetectorRef; this.comboId = `combo-button-${ComboButtonComponent.comboButtonCounter++}`; this.size = "lg"; this.disabled = false; this.menuAlignment = "bottom"; this.tooltipAutoAlign = false; this.tooltipPlacement = "bottom"; this.open = false; this.actionClick = new EventEmitter(); this.comboButtonContainer = true; this.documentClick = this.handleFocusOut.bind(this); this.subscriptions = []; this._alignment = "bottom"; } // Listen for click & determine if menu should close set projectedMenuItems(itemList) { // Reset in case user dynamically updates menu item this.subscriptions.forEach((sub) => sub?.unsubscribe()); this.subscriptions = []; itemList.forEach((item) => { this.subscriptions.push(item.itemClick.subscribe((clickEvent) => this.handleMenuItemClick(clickEvent))); }); } get sizeLg() { return this.size === "lg"; } get sizeMd() { return this.size === "md"; } get sizeSm() { return this.size === "sm"; } get ariaOwns() { return this.open ? this.comboId : undefined; } /** * In case user updates alignment, store initial value. * This allows us to test user passed alignment on each open */ ngOnChanges(changes) { if (changes.menuAlignment) { this._alignment = changes.menuAlignment.currentValue; } } /** * If user has passed in true for open, we dynamically open the menu */ ngAfterViewInit() { if (this.open) { this.open = !this.open; this.toggleMenu(); } } /** * Clean up Floating-ui & subscriptions */ ngOnDestroy() { this.cleanUp(); this.subscriptions.forEach((sub) => sub.unsubscribe()); } /** * As of now, menu button does not support nexted menu, on button click it should close */ handleMenuItemClick(event) { // If event is not type radio/checkbox, we close the menu if (!event.type) { this.toggleMenu(); } } /** * On body click, close the menu * @param event */ handleFocusOut(event) { if (!this.hostElement.nativeElement.contains(event.target)) { this.toggleMenu(); } } /** * Clean up `autoUpdate` if auto alignment is enabled */ cleanUp() { document.removeEventListener("click", this.documentClick); if (this.unmountFloatingElement) { this.menuRef.remove(); this.viewContainerRef.clear(); this.unmountFloatingElement(); } this.unmountFloatingElement = undefined; // On all instances of menu closing, make sure icon direction is correct this.changeDetectorRef.markForCheck(); } /** * On action click, notify user * If the menu is open, close the menu * @param event */ onActionClick(event) { if (this.open) { this.toggleMenu(); } this.actionClick.emit(event); } /** * Handles emitting open/close event */ toggleMenu() { this.open = !this.open; if (this.open) { // Render the template & append to view const view = this.viewContainerRef.createEmbeddedView(this.menuTemplate); this.menuRef = document.body.appendChild(view.rootNodes[0]); // Assign button width to the menu ref to align with button Object.assign(this.menuRef.style, { width: `${this.hostElement.nativeElement.clientWidth}px`, top: "0", left: "0" }); // Reset & test alignment every open this.menuAlignment = this._alignment; document.addEventListener("click", this.documentClick); // Listen for events such as scrolling to keep menu aligned this.unmountFloatingElement = autoUpdate(this.hostElement.nativeElement, this.menuRef, this.recomputePosition.bind(this)); } else { this.cleanUp(); } } roundByDPR(value) { const dpr = window.devicePixelRatio || 1; return Math.round(value * dpr) / dpr; } /** * Compute position of menu */ recomputePosition() { if (this.menuTemplate && this.hostElement) { // Run outside of angular zone to avoid unnecessary change detection and rely on floating-ui this.ngZone.runOutsideAngular(async () => { const { x, y, placement } = await computePosition(this.hostElement.nativeElement, this.menuRef, { placement: this.menuAlignment, strategy: "fixed", middleware: [ flip({ crossAxis: false }) ] }); this.menuAlignment = placement; // Using CSSOM to manipulate CSS to avoid content security policy inline-src // https://github.com/w3c/webappsec-csp/issues/212 Object.assign(this.menuRef.style, { position: "fixed", // Using transform instead of top/left position to improve performance transform: `translate(${this.roundByDPR(x)}px,${this.roundByDPR(y)}px)` }); this.changeDetectorRef.markForCheck(); }); } } } ComboButtonComponent.comboButtonCounter = 0; ComboButtonComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: ComboButtonComponent, deps: [{ token: i0.NgZone }, { token: i0.Renderer2 }, { token: i0.ElementRef }, { token: i0.ViewContainerRef }, { token: i0.ChangeDetectorRef }], target: i0.ɵɵFactoryTarget.Component }); ComboButtonComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "14.3.0", type: ComboButtonComponent, selector: "cds-combo-button", inputs: { comboId: "comboId", size: "size", label: "label", disabled: "disabled", menuAlignment: "menuAlignment", description: "description", tooltipAutoAlign: "tooltipAutoAlign", tooltipPlacement: "tooltipPlacement", open: "open" }, outputs: { actionClick: "actionClick" }, host: { properties: { "class.cds--combo-button__container--open": "this.open", "class.cds--combo-button__container": "this.comboButtonContainer", "class.cds--combo-button__container--lg": "this.sizeLg", "class.cds--combo-button__container--md": "this.sizeMd", "class.cds--combo-button__container--sm": "this.sizeSm", "attr.aria-owns": "this.ariaOwns" } }, queries: [{ propertyName: "projectedMenuItems", predicate: ContextMenuItemComponent }], viewQueries: [{ propertyName: "menuTemplate", first: true, predicate: ["menuTemplate"], descendants: true }], usesOnChanges: true, ngImport: i0, template: ` <div class="cds--combo-button__primary-action" [attr.aria-owns]="open ? comboId : undefined"> <button cdsButton="primary" [size]="size" [attr.title]="label" [disabled]="disabled" type="button" (click)="onActionClick($event)"> {{label}} </button> </div> <cds-icon-button [buttonNgClass]="{ 'cds--combo-button__trigger': true }" [buttonAttributes]="{ 'aria-haspopup': true, 'aria-expanded': open, 'aria-controls': open ? comboId : undefined }" [size]="size" [description]="description" [disabled]="disabled" [autoAlign]="tooltipAutoAlign" [align]="tooltipPlacement" (click)="toggleMenu()"> <svg cdsIcon="chevron--down" size="16"> </svg> </cds-icon-button> <ng-template #menuTemplate> <cds-menu mode="basic" [size]="size" [open]="open" [attr.id]="comboId"> <ng-content select="cds-menu-item, cds-menu-divider"></ng-content> </cds-menu> </ng-template> `, isInline: true, dependencies: [{ kind: "directive", type: i1.Button, selector: "[cdsButton], [ibmButton]", inputs: ["ibmButton", "cdsButton", "size", "skeleton", "iconOnly", "isExpressive"] }, { kind: "component", type: i1.IconButton, selector: "cds-icon-button, ibm-icon-button", inputs: ["buttonNgClass", "buttonAttributes", "buttonId", "kind", "size", "type", "isExpressive", "disabled", "description", "showTooltipWhenDisabled"], outputs: ["click", "focus", "blur", "tooltipClick"] }, { kind: "directive", type: i2.IconDirective, selector: "[cdsIcon], [ibmIcon]", inputs: ["ibmIcon", "cdsIcon", "size", "title", "ariaLabel", "ariaLabelledBy", "ariaHidden", "isFocusable"] }, { kind: "component", type: i3.ContextMenuComponent, selector: "cds-menu, cds-context-menu, ibm-context-menu", inputs: ["open", "position", "size"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush }); i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "14.3.0", ngImport: i0, type: ComboButtonComponent, decorators: [{ type: Component, args: [{ selector: "cds-combo-button", template: ` <div class="cds--combo-button__primary-action" [attr.aria-owns]="open ? comboId : undefined"> <button cdsButton="primary" [size]="size" [attr.title]="label" [disabled]="disabled" type="button" (click)="onActionClick($event)"> {{label}} </button> </div> <cds-icon-button [buttonNgClass]="{ 'cds--combo-button__trigger': true }" [buttonAttributes]="{ 'aria-haspopup': true, 'aria-expanded': open, 'aria-controls': open ? comboId : undefined }" [size]="size" [description]="description" [disabled]="disabled" [autoAlign]="tooltipAutoAlign" [align]="tooltipPlacement" (click)="toggleMenu()"> <svg cdsIcon="chevron--down" size="16"> </svg> </cds-icon-button> <ng-template #menuTemplate> <cds-menu mode="basic" [size]="size" [open]="open" [attr.id]="comboId"> <ng-content select="cds-menu-item, cds-menu-divider"></ng-content> </cds-menu> </ng-template> `, changeDetection: ChangeDetectionStrategy.OnPush }] }], ctorParameters: function () { return [{ type: i0.NgZone }, { type: i0.Renderer2 }, { type: i0.ElementRef }, { type: i0.ViewContainerRef }, { type: i0.ChangeDetectorRef }]; }, propDecorators: { comboId: [{ type: Input }], projectedMenuItems: [{ type: ContentChildren, args: [ContextMenuItemComponent] }], size: [{ type: Input }], label: [{ type: Input }], disabled: [{ type: Input }], menuAlignment: [{ type: Input }], description: [{ type: Input }], tooltipAutoAlign: [{ type: Input }], tooltipPlacement: [{ type: Input }], open: [{ type: Input }, { type: HostBinding, args: ["class.cds--combo-button__container--open"] }], actionClick: [{ type: Output }], comboButtonContainer: [{ type: HostBinding, args: ["class.cds--combo-button__container"] }], sizeLg: [{ type: HostBinding, args: ["class.cds--combo-button__container--lg"] }], sizeMd: [{ type: HostBinding, args: ["class.cds--combo-button__container--md"] }], sizeSm: [{ type: HostBinding, args: ["class.cds--combo-button__container--sm"] }], ariaOwns: [{ type: HostBinding, args: ["attr.aria-owns"] }], menuTemplate: [{ type: ViewChild, args: ["menuTemplate"] }] } }); //# 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{\n\tAfterViewInit,\n\tChangeDetectionStrategy,\n\tChangeDetectorRef,\n\tComponent,\n\tContentChildren,\n\tElementRef,\n\tEventEmitter,\n\tHostBinding,\n\tInput,\n\tNgZone,\n\tOnChanges,\n\tOnDestroy,\n\tOutput,\n\tQueryList,\n\tRenderer2,\n\tSimpleChanges,\n\tTemplateRef,\n\tViewChild,\n\tViewContainerRef\n} from \"@angular/core\";\nimport { Subscription } from \"rxjs\";\nimport {\n\tautoUpdate,\n\tcomputePosition,\n\tflip\n} from \"@floating-ui/dom\";\nimport { ContextMenuItemComponent, ItemClickEvent } from \"carbon-components-angular/context-menu\";\n\ntype ComboButtonPlacement = \"top\" | \"top-start\" | \"top-end\" | \"bottom\" | \"bottom-start\" | \"bottom-end\";\n\n@Component({\n\tselector: \"cds-combo-button\",\n\ttemplate: `\n\t\t<div class=\"cds--combo-button__primary-action\" [attr.aria-owns]=\"open ? comboId : undefined\">\n\t\t\t<button\n\t\t\t\tcdsButton=\"primary\"\n\t\t\t\t[size]=\"size\"\n\t\t\t\t[attr.title]=\"label\"\n\t\t\t\t[disabled]=\"disabled\"\n\t\t\t\ttype=\"button\"\n\t\t\t\t(click)=\"onActionClick($event)\">\n\t\t\t\t{{label}}\n\t\t\t</button>\n\t\t</div>\n\t\t<cds-icon-button\n\t\t\t[buttonNgClass]=\"{ 'cds--combo-button__trigger': true }\"\n\t\t\t[buttonAttributes]=\"{\n\t\t\t\t'aria-haspopup': true,\n\t\t\t\t'aria-expanded': open,\n\t\t\t\t'aria-controls': open ? comboId : undefined\n\t\t\t}\"\n\t\t\t[size]=\"size\"\n\t\t\t[description]=\"description\"\n\t\t\t[disabled]=\"disabled\"\n\t\t\t[autoAlign]=\"tooltipAutoAlign\"\n\t\t\t[align]=\"tooltipPlacement\"\n\t\t\t(click)=\"toggleMenu()\">\n\t\t\t<svg\n\t\t\t\tcdsIcon=\"chevron--down\"\n\t\t\t\tsize=\"16\">\n\t\t\t</svg>\n\t\t</cds-icon-button>\n\n\t\t<ng-template #menuTemplate>\n\t\t\t<cds-menu\n\t\t\t\tmode=\"basic\"\n\t\t\t\t[size]=\"size\"\n\t\t\t\t[open]=\"open\"\n\t\t\t\t[attr.id]=\"comboId\">\n\t\t\t\t<ng-content select=\"cds-menu-item, cds-menu-divider\"></ng-content>\n\t\t\t</cds-menu>\n\t\t</ng-template>\n\t`,\n\tchangeDetection: ChangeDetectionStrategy.OnPush\n})\nexport class ComboButtonComponent implements OnChanges, AfterViewInit, OnDestroy {\n\tstatic comboButtonCounter = 0;\n\t@Input() comboId = `combo-button-${ComboButtonComponent.comboButtonCounter++}`;\n\n\t// Listen for click & determine if menu should close\n\t@ContentChildren(ContextMenuItemComponent) set projectedMenuItems(itemList: QueryList<ContextMenuItemComponent>) {\n\t\t// Reset in case user dynamically updates menu item\n\t\tthis.subscriptions.forEach((sub) => sub?.unsubscribe());\n\t\tthis.subscriptions = [];\n\t\titemList.forEach((item) => {\n\t\t\tthis.subscriptions.push(\n\t\t\t\titem.itemClick.subscribe((clickEvent) => this.handleMenuItemClick(clickEvent))\n\t\t\t);\n\t\t});\n\t}\n\n\t@Input() size: \"sm\" | \"md\" | \"lg\" = \"lg\";\n\t@Input() label: string;\n\t@Input() disabled = false;\n\t@Input() menuAlignment: ComboButtonPlacement = \"bottom\";\n\t@Input() description: string;\n\t@Input() tooltipAutoAlign = false;\n\t@Input() tooltipPlacement = \"bottom\";\n\t@Input() @HostBinding(\"class.cds--combo-button__container--open\") open = false;\n\t@Output() actionClick = new EventEmitter<Event>();\n\t@HostBinding(\"class.cds--combo-button__container\") comboButtonContainer = true;\n\t@HostBinding(\"class.cds--combo-button__container--lg\") get sizeLg() { return this.size === \"lg\"; }\n\t@HostBinding(\"class.cds--combo-button__container--md\") get sizeMd() { return this.size === \"md\"; }\n\t@HostBinding(\"class.cds--combo-button__container--sm\") get sizeSm() { return this.size === \"sm\"; }\n\t@HostBinding(\"attr.aria-owns\") get ariaOwns() {\n\t\treturn this.open ? this.comboId : undefined;\n\t}\n\n\t@ViewChild(\"menuTemplate\") menuTemplate: TemplateRef<any>;\n\n\tprotected documentClick = this.handleFocusOut.bind(this);\n\tprotected unmountFloatingElement: Function;\n\n\tprivate subscriptions: Subscription[] = [];\n\tprivate _alignment: ComboButtonPlacement = \"bottom\";\n\tprivate menuRef: HTMLElement;\n\n\tconstructor(\n\t\tprotected ngZone: NgZone,\n\t\tprotected renderer: Renderer2,\n\t\tprotected hostElement: ElementRef,\n\t\tprotected viewContainerRef: ViewContainerRef,\n\t\tprotected changeDetectorRef: ChangeDetectorRef\n\t) { }\n\n\n\t/**\n\t * In case user updates alignment, store initial value.\n\t * This allows us to test user passed alignment on each open\n\t */\n\tngOnChanges(changes: SimpleChanges): void {\n\t\tif (changes.menuAlignment) {\n\t\t\tthis._alignment = changes.menuAlignment.currentValue;\n\t\t}\n\t}\n\n\n\n\t/**\n\t * If user has passed in true for open, we dynamically open the menu\n\t */\n\tngAfterViewInit(): void {\n\t\tif (this.open) {\n\t\t\tthis.open = !this.open;\n\t\t\tthis.toggleMenu();\n\t\t}\n\t}\n\n\n\n\t/**\n\t* Clean up Floating-ui & subscriptions\n\t*/\n\tngOnDestroy(): void {\n\t\tthis.cleanUp();\n\t\tthis.subscriptions.forEach((sub) => sub.unsubscribe());\n\t}\n\n\n\t/**\n\t * As of now, menu button does not support nexted menu, on button click it should close\n\t */\n\thandleMenuItemClick(event: ItemClickEvent) {\n\t\t// If event is not type radio/checkbox, we close the menu\n\t\tif (!event.type) {\n\t\t\tthis.toggleMenu();\n\t\t}\n\t}\n\n\n\n\t/**\n\t * On body click, close the menu\n\t * @param event\n\t */\n\thandleFocusOut(event) {\n\t\tif (!this.hostElement.nativeElement.contains(event.target)) {\n\t\t\tthis.toggleMenu();\n\t\t}\n\t}\n\n\n\n\t/**\n\t * Clean up `autoUpdate` if auto alignment is enabled\n\t */\n\tcleanUp() {\n\t\tdocument.removeEventListener(\"click\", this.documentClick);\n\t\tif (this.unmountFloatingElement) {\n\t\t\tthis.menuRef.remove();\n\t\t\tthis.viewContainerRef.clear();\n\t\t\tthis.unmountFloatingElement();\n\t\t}\n\t\tthis.unmountFloatingElement = undefined;\n\t\t// On all instances of menu closing, make sure icon direction is correct\n\t\tthis.changeDetectorRef.markForCheck();\n\t}\n\n\n\t/**\n\t * On action click, notify user\n\t * If the menu is open, close the menu\n\t * @param event\n\t */\n\tonActionClick(event: PointerEvent) {\n\t\tif (this.open) {\n\t\t\tthis.toggleMenu();\n\t\t}\n\t\tthis.actionClick.emit(event);\n\t}\n\n\n\n\t/**\n\t * Handles emitting open/close event\n\t */\n\ttoggleMenu() {\n\t\tthis.open = !this.open;\n\t\tif (this.open) {\n\t\t\t// Render the template & append to view\n\t\t\tconst view = this.viewContainerRef.createEmbeddedView(this.menuTemplate);\n\t\t\tthis.menuRef = document.body.appendChild(view.rootNodes[0] as HTMLElement);\n\t\t\t// Assign button width to the menu ref to align with button\n\t\t\tObject.assign(this.menuRef.style, {\n\t\t\t\twidth: `${this.hostElement.nativeElement.clientWidth}px`,\n\t\t\t\ttop: \"0\",\n\t\t\t\tleft: \"0\"\n\t\t\t});\n\n\t\t\t// Reset & test alignment every open\n\t\t\tthis.menuAlignment = this._alignment;\n\n\t\t\tdocument.addEventListener(\"click\", this.documentClick);\n\n\t\t\t// Listen for events such as scrolling to keep menu aligned\n\t\t\tthis.unmountFloatingElement = autoUpdate(\n\t\t\t\tthis.hostElement.nativeElement,\n\t\t\t\tthis.menuRef,\n\t\t\t\tthis.recomputePosition.bind(this)\n\t\t\t);\n\t\t} else {\n\t\t\tthis.cleanUp();\n\t\t}\n\t}\n\n\n\n\troundByDPR(value) {\n\t\tconst dpr = window.devicePixelRatio || 1;\n\t\treturn Math.round(value * dpr) / dpr;\n\t}\n\n\n\n\t/**\n\t * Compute position of menu\n\t */\n\trecomputePosition() {\n\t\tif (this.menuTemplate && this.hostElement) {\n\t\t\t// Run outside of angular zone to avoid unnecessary change detection and rely on floating-ui\n\t\t\tthis.ngZone.runOutsideAngular(async () => {\n\t\t\t\tconst { x, y, placement } = await computePosition(\n\t\t\t\t\tthis.hostElement.nativeElement,\n\t\t\t\t\tthis.menuRef,\n\t\t\t\t\t{\n\t\t\t\t\t\tplacement: this.menuAlignment,\n\t\t\t\t\t\tstrategy: \"fixed\",\n\t\t\t\t\t\tmiddleware: [\n\t\t\t\t\t\t\tflip({ crossAxis: false })\n\t\t\t\t\t\t]\n\t\t\t\t\t});\n\n\t\t\t\tthis.menuAlignment = placement as ComboButtonPlacement;\n\n\t\t\t\t// Using CSSOM to manipulate CSS to avoid content security policy inline-src\n\t\t\t\t// https://github.com/w3c/webappsec-csp/issues/212\n\t\t\t\tObject.assign(this.menuRef.style, {\n\t\t\t\t\tposition: \"fixed\",\n\t\t\t\t\t// Using transform instead of top/left position to improve performance\n\t\t\t\t\ttransform: `translate(${this.roundByDPR(x)}px,${this.roundByDPR(y)}px)`\n\t\t\t\t});\n\t\t\t\tthis.changeDetectorRef.markForCheck();\n\t\t\t});\n\t\t}\n\t}\n}\n"]}